202211780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 440838720

約数和(自身を除く): 238626940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 443, 580, 787, 886, 1574, 1772, 2215, 3148, 3935, 4430, 7870, 8860, 12847, 15740, 22823, 25694, 45646, 51388, 64235, 91292, 114115, 128470, 228230, 256940, 348641, 456460, 697282, 1394564, 1743205, 3486410, 6972820, 10110589, 20221178, 40442356, 50552945, 101105890, 202211780]

約数ペア:

[(1, 202211780), (2, 101105890), (4, 50552945), (5, 40442356), (10, 20221178), (20, 10110589), (29, 6972820), (58, 3486410), (116, 1743205), (145, 1394564), (290, 697282), (443, 456460), (580, 348641), (787, 256940), (886, 228230), (1574, 128470), (1772, 114115), (2215, 91292), (3148, 64235), (3935, 51388), (4430, 45646), (7870, 25694), (8860, 22823), (12847, 15740)]